A semi-permeable membranous sac contains a 4% NaCl, 96% water solution. This sac is placed into a beaker containing a 16% NaCl, 84% water solution. The membrane is permeable to NaCl. Which way will NaCl flow across the membrane (into or out of the sac)?

Should be going out of the sac because the molecules has to balance the concentration not sure tho

it means

miss jennifer is buying pencils in packs of 12, notebooks in packs of 16, and red pens in boxes of 20. she needs to have the same number of pencils, notebooks, and red pens. how many packs of each type should she buy?

answer mine : )

1 and 6 for apex